Inspired by real-life makers Ada Lovelace and Marie Curie, this beloved #1 bestseller champions STEM, girl power and women scientists in a rollicking celebration of curiosity, the power perseverance, and the importance of asking "Why?"

Don't miss Ada's further adventures-with her friends Iggy Peck and Rosie Revere-in the instant New York Times bestseller Rosie Revere and the Raucous Riveters, the first all-new chapter book starring The Questioneers! Ada Twist's head is full of questions. Like her classmates Iggy and Rosie-stars of their own New York Times bestselling picture books Iggy Peck, Architect and Rosie Revere, Engineer-Ada has always been endlessly curious. Even when her fact-finding missions and elaborate scientific experiments don't go as planned, Ada learns the value of thinking her way through problems and continuing to stay curious.

FORMAT: Hardback